darkcomet | 8c6185e371608fd9018e3814f0625f799c115967658e48b17c5f4c75101e411b

System Information Discovery

Processes:

vbc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup = "C:\\Users\\Admin\\AppData\\Roaming\\FireClicker.exe"	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2268 set thread context of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

vbc.exe86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

vbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	vbc.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

Processes:

vbc.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2776	vbc.exe
Token: SeSecurityPrivilege	2776	vbc.exe
Token: SeTakeOwnershipPrivilege	2776	vbc.exe
Token: SeLoadDriverPrivilege	2776	vbc.exe
Token: SeSystemProfilePrivilege	2776	vbc.exe
Token: SeSystemtimePrivilege	2776	vbc.exe
Token: SeProfSingleProcessPrivilege	2776	vbc.exe
Token: SeIncBasePriorityPrivilege	2776	vbc.exe
Token: SeCreatePagefilePrivilege	2776	vbc.exe
Token: SeBackupPrivilege	2776	vbc.exe
Token: SeRestorePrivilege	2776	vbc.exe
Token: SeShutdownPrivilege	2776	vbc.exe
Token: SeDebugPrivilege	2776	vbc.exe
Token: SeSystemEnvironmentPrivilege	2776	vbc.exe
Token: SeChangeNotifyPrivilege	2776	vbc.exe
Token: SeRemoteShutdownPrivilege	2776	vbc.exe
Token: SeUndockPrivilege	2776	vbc.exe
Token: SeManageVolumePrivilege	2776	vbc.exe
Token: SeImpersonatePrivilege	2776	vbc.exe
Token: SeCreateGlobalPrivilege	2776	vbc.exe
Token: 33	2776	vbc.exe
Token: 34	2776	vbc.exe
Token: 35	2776	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
2776	vbc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2776	2268	86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86b2dd578ae49a53cbb848f38c44b38c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery